A rectangular prism is 2 1/3 mm long, 1 1/2 mm wide and 3 mm tall. What is the volume of the prism?
V = 2 1/3 x 1 1/2 x 3, or
V = 7/3 x 3/2 x 3, or
V = 63/6, or
V = 10 1/2
looks good to me
Make sure you specify mm^3 for volume.
That's a dang small prism, to be sure...